the search continues for the missing. >>> three united states senators are in afghanistan this fourth of july. there they have a lot to say about the president's plans in that country. in kabul, republican senators john mccain and lindsay graham call the string too risky. they say it could put american troops and their mission in jeopardy. the white house is standing by its plans saying successes on the ground especially the kills of osama bin laden have made it a viable one. >>> the duke and duchess of cambridge, william and kate, resume their tour of canada today with an official welcome to prince edward island. they arrived yesterday after leaving quebec city where they encountered some anti- monarchist protesters. they leave canada for a trip to california this friday. >>> still ahead, will mother nature allow your holiday picnic to go on? marty has the answer. >>> the stock market is closed for the fourth of july holiday. copd makes it hard to breathe,, so i wasn't playing much of a role in my own life, but with advair, i'm breathing better so now i can take the lead on a science